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210130816 = 277233503
BaseRepresentation
bin11001000011001…
…01011110000000
3112122101202021211
430201211132000
5412243141231
632503455504
75131040200
oct1441453600
9478352254
10210130816
11a8682435
125a457594
13346c357c
141dc9c400
15136aaeb1
hexc865780

210130816 has 48 divisors (see below), whose sum is σ = 486980640. Its totient is φ = 90053376.

The previous prime is 210130813. The next prime is 210130903. The reversal of 210130816 is 618031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210130813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10480 + ... + 23023.

It is an arithmetic number, because the mean of its divisors is an integer number (10145430).

Almost surely, 2210130816 is an apocalyptic number.

It is an amenable number.

210130816 is an abundant number, since it is smaller than the sum of its proper divisors (276849824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210130816 is an equidigital number, since it uses as much as digits as its factorization.

210130816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33531 (or 33512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 210130816 is about 14495.8896243038. The cubic root of 210130816 is about 594.5155918944.

Adding to 210130816 its reverse (618031012), we get a palindrome (828161828).

The spelling of 210130816 in words is "two hundred ten million, one hundred thirty thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 392 448 784 896 1568 3136 6272 33503 67006 134012 234521 268024 469042 536048 938084 1072096 1641647 1876168 2144192 3283294 3752336 4288384 6566588 7504672 13133176 15009344 26266352 30018688 52532704 105065408 210130816